BQ24133RGYR Sample Application

• 1.6-MHz Synchronous switched-mode charger with 2.5-A integrated N-MOSFETs • Up to 92% efficiency • 30-V Input rating with adjustable overvoltage protection • 4.5-V to 17-V Input operating voltage • Battery charge voltage • 1-Cell, 2-cell, or 3-cell with 4.2 V/cell • High integration • Automatic Power Path selector between adapter and battery • Dynamic power management • Integrated 20-V switching MOSFETs • Integrated bootstrap diode • Internal digital soft start • Safety • Thermal regulation loop throttles back current to limit TJ = 120°C • Thermal shutdown • Battery thermistor sense hot/cold charge suspend and battery detect • Adjustable input overvoltage protection • Cycle-by-cycle current limit • Accuracy • ±0.5% Charge voltage regulation • ±5% Charge current regulation • ±6% Input current regulation